* CI: move azure pipelines to separate directory
This removes some extra clutter in the top level as we add more
pipelines.
* rename
Co-authored-by: Jirka Borovec <Borda@users.noreply.github.com>
Co-authored-by: Adrian Wälchli <aedu.waelchli@gmail.com>
This adds an azure-pipelines job so we can verify the runners are
connected correctly. Since the IPU branch isn't merged, it won't yet
give any actual IPU test coverage.